The G. W. Overall whose record was posted here is a different G.W. Overall than Obama's line. This one who was born in TN in approx 1844, and living in Tipton Co, TN. The G.W. Overall in Obama's line was his 4th great grandfather, born and died in KY and living in Nelson Co. KY in 1860. Obama's 3rd great grandmother was Susan Overall, born 1849 KY.